參數(shù)資料
型號: HC05V7GRS
英文描述: 68HC05V7 General Release Specification
中文描述: 68HC05V7一般版本規(guī)范
文件頁數(shù): 162/170頁
文件大小: 980K
代理商: HC05V7GRS
MOTOROLA
Page 148
SECTION 17: ELECTRICAL SPECIFICATIONS
MC68HC05V7 Specification Rev. 1.0
SERIAL
PERIPHERAL INTERFACE (SPI) TIMING
(V
DD
= 5.0 Vdc
±
10%, V
SS
= 0 Vdc, T
A
= T
L
to T
H
)
* Signal production depends on software.
** Assumes 200 pF load on all SPI pins.
Num
Characteristic
Symbol
Min
Max
Unit
Operating Frequency
Master
Slave
f
OP
(
M
)
f
OP
(
S
)
dc
dc
0.5
4.2
f
OP
MHz
1
Cycle Time
Master
Slave
t
CYC
(
M
)
t
CYC
(
S
)
2.0
240
t
CYC
ns
2
Enable Lead Time
Master
Slave
t
LEAD
(
M
)
t
lead(s)
*
240
ns
ns
3
Enable Lag Time
Master
Slave
t
LAG
(
M
)
t
LAG
(
S
)
*
240
ns
ns
4
Clock (SCK) High Time
Master
Slave
t
W
(SCKH)
M
t
W
(SCKH)
S
340
190
ns
ns
5
Clock (SCK) Low Time
Master
Slave
t
W
(SCKL)
M
t
W
(SCKL)
S
340
190
ns
ns
6
Data Setup Time (Inputs)
Master
Slave
t
SU
(
M
)
t
SU
(
S
)
100
100
ns
ns
7
Data Hold Time (Inputs)
Master
Slave
t
H
(
M
)
t
H
(
S
)
100
100
ns
ns
8
Access Time (Time to Data Active from High-
Impedance State)
Slave
t
A
0
120
ns
9
Disable Time (Hold Time to High-Impedance State)
Slave
t
DIS
240
ns
10
Data Valid (After Enable Edge)**
t
V
(
S
)
240
ns
11
Data Hold Time (Output) (After Enable Edge)
t
HO
0
ns
12
Rise Time (20% V
DD
to 70% V
DD
, C
L
=200 pF)
SPI Outputs (SCK, MOSI, and MISO)
SPI Inputs (SCK, MOSI, MISO, and SS)
t
RM
t
RS
100
2.0
ns
us
13
Fall Time (70% V
DD
to 20% V
DD
, C
L
=200 pF)
SPI Outputs (SCK, MOSI, and MISO)
SPI Inputs (SCK, MOSI, MISO, and SS)
t
FM
t
FS
100
2.0
ns
us
F
For More Information On This Product,
Go to: www.freescale.com
n
.
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